Table 4.
Demographic and epidemiological characteristics of infants with a second episode of bronchiolitis.
| All Patients N (%) 9 (100) |
RSV+ N (%) 3 (100) |
RSV− N (%) 6 (100) |
p-Value | ||
|---|---|---|---|---|---|
| Gender | Male | 6 (67) | 1 (33) | 5 (83) | 0.46 |
| Female | 3 (33) | 2 (67) | 1 (17) | ||
| Prematurity (<37 w) | Yes | 1 (11) | 1 (33) | 0 | 0.33 |
| No | 7 (78) | 2 (67) | 5 (83) | ||
| Unknown | 1 (11) | 0 (0) | 1 (17) | ||
| Age (months) | <1 | 0 | 0 | 0 | 0.31 |
| 1-3 | 8 (89) | 3 (100) | 5 (83) | ||
| 4–6 | 1 (11) | 0 (0) | 1 (17) | ||
| 7–12 | 0 (0) | 0 (0) | 0 (0) | ||
| CRP higher level (mg/dL) | 3.3 (0.06–67.6) | 1.9 (0.6–30) | 12.3 (0.34–67.6) | 0.33 | |
| pCO2 higher level (mmHg) | 48.6 (41.1–61) | 48.9 (41.1–59.9) | 48 (42.2–61) | 0.80 | |
| Hospitalization day | 5 (2–11) | 9 (2–11) | 5 (3–6) | 0.32 | |
| Low-Flow Oxygen | Yes | 5 (55) | 2 (67) | 3 (50) | 1 |
| No | 4 (44) | 1 (33) | 3 (50) | ||
| High-Flow Oxygen | Yes | 3 (33) | 3 (33) | 0 (0) | 0.011 |
| No | 6 (67) | 0 (0) | 6 (100) | ||
| High-Flow Oxygen days | 5 (1–8) | 5 (1–8) | NA | NA | |
| Fraction of inspired Oxygen % | 40 (25–50) | 40 (25–50) | NA | NA | |
| Need to transfer to a hub hospital | Yes | 1 (11) | 1 (33) | 0 (0) | 0.33 |
| No | 8 (89) | 2 (67) | 6 (100) |
CRP: C reactive protein; it was expressed as medians and ranges, together with pCO2 levels, duration of HFNC treatment, fraction of O2, and airflow.